OVERVIEW

The teaching addresses the issue of surveying in the archaeological field using geomatic techniques, applied to the different phases of the entire measurement process, from planning and execution of the survey campaign, to its processing and metric representation. The operational phases will be addressed in a dedicated laboratory that will offer the possibility of integrating traditional survey experiences with the potential of the geomatic approach.

AIMS AND CONTENT

LEARNING OUTCOMES

The course provides the basic theoretical-methodological tools necessary for the geomatics surveying and monitoring in the local area using traditional techniques, satellite GPS / GNSS, laser scanner and photogrammetry (also from drones), addressing the main methods of survey and cartographic framing in compliance with reference systems. Particular attention will be devoted to the skills of processing observations for the control of both the executed measurement campaigns and the obtained results.

AIMS AND LEARNING OUTCOMES

The teaching provides the necessary sensitivity and attention for an approach to geomatic surveying and monitoring in the archaeological field.
Starting from the primary needs to achieve the expected results, the main criteria useful for setting up, carrying out, processing, analyzing and representing the object of study are identified.
The main techniques and operating methodologies made available by geomatics are addressed as integrated surveying and monitoring tools.
The definition of the reference systems, used to georeference the object of the survey, and the principles of cartographic representation, in which the object of the survey is framed, are presented in a descriptive and sufficiently general way to provide the necessary attention.
Elements of treatment of the observations are addressed to provide the useful bases for a sensitivity to the control of the measurement campaigns, their processing and the evaluation of the obtained results, identifying the most appropriate precisions and measurement schemes in compliance with the required accuracies.
Some methods of representation and description of the survey provide a first approach to the usability of the archaeological surveys carried out.

At the end of the teaching, the student must know the principles necessary to set up, develop, process, analyze and represent the object of study, which must be able to carry out independently for simple applications and understand the quality of the entire process.

TEACHING METHODS

The teaching includes theoretical lessons (about 40 hours) and exercises (about 20 hours).

The lessons are held in Italian but bibliographical references in English are available.

Lessons are held in the classroom and can only be attended in person. Attendance, although not compulsory, is recommended.

Details and teaching material are available on the AulaWeb course page "GEOMATICS FOR ARCHEOLOGY (LM) - 106573"

Working students and students with certified SLD (Specific Learning Disorders), disability or other special educational needs are advised to contact the teacher at the beginning of the course to agree on teaching and examination arrangements so to take into account individual learning patterns, while respecting the teaching objectives.

SYLLABUS/CONTENT

Main survey methodologies available today
Analysis and characteristics (advantages and limitations) of the main methods of traditional topographic survey, GPS / GNSS satellite, laser scanner and photogrammetry.

Main cartographic framing needs
Reference systems and cartographic representation, needs and methods for framing the survey

Traditional topographic surveys
Metric survey techniques of the territory by means of a total station
Total station: constituent parts and conditions of rectification, verification and eventual rectification of the instrument, observables (azimuthal directions, zenith directions, distances)
Operating modes and plane-altimetric survey schemes, first consistency checks of observations

GPS / GNSS satellite survey methodology
General description of the system and operating principles
Survey campaign in support of satellite positioning services for surveys in Network Real Time Kinematic (NRTK)

Laser scanner survey
Operating principles, type of instruments and achievable accuracies
Limits and potential of the system

Photogrammetric survey
The photogrammetric process, topographic support, processing and restitution procedures
Obtainable accuracy, applications also from drone and photogrammetric products

Elements of treatment of observations
Measurement process and effects caused by different types of errors
Description of a measurement process, statistical variable and random variable, concept of mean and variance and their descriptive meaning, concept of probability
Concept of transformation of variables and their description
Redundancy of observations and concept of compensation through least squares estimation criteria
Particular attention will be devoted to checking the carried out measurement campaigns and the obtained results.

RECOMMENDED READING/BIBLIOGRAPHY

Lecture notes and material provided by the teacher to the students (in Italian language) using AulaWeb.

Texts for consultation (in English):

Blachut T. J., Chrzanowski A., Saastamoinen J. H.: Urban Surveying and Mapping. Springer – Verlag, 1979, ISBN 978-1-4612-6147-6

Hofmann-Wellenhof B., Lichtenegger H, Collins J.: Global Positioning System - Theory and Practice. Springer&Verlag, Vienna

Leick A.: GPS Satellite Surveying, John Wiley & Sons Inc., New Jersey, USA, ISBN 0-471-05930-7

Mikhail E. M.: Observations and Least Squares. University Press of America, Lanham, MD, 1976.

Texts for consultation (in Italian):

Barzaghi R., Pinto L .: Elements of topography and treatment of observations. Ed.CityStudi, Milan, 2014, ISBN 978-88-251-7390-1

Cina A .: From GPS to GNSS (Global Navigation Satelite System) - For Geomatics. Ed.Celid, Engineering Tools Series, Turin, 2014, ISBN 978-88-6789-020-0.

Manzino A.M .: Topography Lessons, Ed. Otto, Turin, 2001

TEACHERS AND EXAM BOARD

Exam Board

DOMENICO SGUERSO (President)

BIANCA FEDERICI

ILARIA FERRANDO (Substitute)

SARA GAGLIOLO (Substitute)

ALI ALAKBAR KARAKI (Substitute)

LESSONS

LESSONS START

4 October 2022 (a.a. 2022-2023)
https://corsi.unige.it/11265/p/studenti-orario

Class schedule

The timetable for this course is available here: Portale EasyAcademy

EXAMS

EXAM DESCRIPTION

The examination consists of an oral test, with presentation (via slides) and discussion of the application carried out in small groups (2 to 4 persons), complete with critical analysis using quality control procedures of the campaigns carried out and the obtained results, like the work were delivered to the commitmenter.

Knowledge of the theoretical-practical concepts of the teaching as well as the ability to critically analyse the entire treated process will be assessed in the examination.

ASSESSMENT METHODS

The oral examination will assess knowledge of the theoretical concepts of the teaching, technical language property, as well as the ability to critically analyse what has been worked on.
Therefore the final grade will take into account the quality of the presentation (relating to the processing techniques employed, the analyses carried out, the strategies for solving any problems encountered), the critical discussion of the results carried out, the expository capacity and knowledge of the theoretical concepts.

Exam schedule

FURTHER INFORMATION

The technical report is to be carried out in small groups (consisting of 2-3 students) and will have to face the different phases of the design, execution and processing of the integrated survey, carried out by means of photogrammetry integrated with laser scanner, with topographic support carried out by means of a total station / GNSS.
Particular attention must be paid to:
- planning of the integrated survey campaign, seeking consistency between the resolutions of the different techniques according to the scale of representation;
- checking the measurement campaigns carried out and the obtained results, both by analyzing the processing phases of the different techniques and by comparing them with external information, to understand the obtained level of precision.

It is preferable, but it is not mandatory, that the group takes the examination at the same exam round.
It is requested that the presentation slides of the technical report are deliverde during the examination, either by sending them by email or by delivering them on a informatic medium (CD, DVD or USB stick).